Outlook: Send as a Different Email Address

Overview

How to send an email from another address other than your own. 

Guide

​​​​​​​While in the mailbox of the Address you'd like to Send As:

1. Open a New Email
2. Go to the Options tab at the top of the New Email window
3. Click Show From Field
4. Click the From Field 
5. Click the Other Email address option in the drop-down menu  
6. Click From… to open the Address Book 
7. Choose the Email from the Address Book
8. Click Ok